body {
    background-color: #f1f1f1;
}

.main {
    min-height: 750px;
    text-align: center;
    font-size: 14px;
    margin-bottom: 40px;
}

.main .logo {
    position: absolute;
    top: 56px;
    margin-left: 50px;
}

.main .logo img {
    width: 160px;
    height: auto;
}

#app {
    padding-top: 120px;
}

.tree-box {
    width: 1000px;
    padding: 20px;
    min-height: 600px;
    background: #fff;
    margin: 0 auto;
}

.ivu-tree ul {
    text-align: left;
}

.code-info-box {
    width: 1000px;
    background: #fff;
    margin: 0 auto;
    margin-bottom: 20px;
}

.code-info-title {
    background-color: #f8f8f9;
    color: rgb(81, 90, 110);
    font-size: 12px;
    text-align: center;
    font-weight: 700;
    height: 32px;
    line-height: 32px;
    border: 1px #e8eaec solid;
    border-right: none;
}

.code-info-label {
    font-size: 12px;
    text-align: center;
    height: 32px;
    line-height: 32px;
    border-left: 1px #e8eaec solid;
    border-bottom: 1px #e8eaec solid;
}

.op-box {
    background: #fff;
    width: 1000px;
    margin: 0 auto;
    margin-bottom: 20px;
    padding: 20px;
}